Nacatoch Formation Explained

Nacatoch Formation
Type:	Formation
Age:	Late Cretaceous
Period:	Upper Cretaceous
Namedfor:	Nacatoch Bluff on the Little Missouri River, Clark County, Arkansas
Namedby:	Albert Homer Purdue^[1]
Region:	Arkansas
Country:	United States
Underlies:	Arkadelphia Marl
Overlies:	Saratoga Formation
Thickness:	150 to 400 feet^[2]

The Nacatoch Formation is a geologic formation in Arkansas, USA.^[2] It preserves fossils dating back to the Cretaceous period.

See also

• List of fossiliferous stratigraphic units in Arkansas
• Paleontology in Arkansas

References

• Web site: Fossilworks: Gateway to the Paleobiology Database. ((Various Contributors to the Paleobiology Database)). 17 December 2021.

Notes and References

1. Veatch. A.C.. Underground waters of eastern United States. U.S. Geological Survey Water-Supply Paper. 1905. 114. 183.
2. McFarland. John David. Stratigraphic summary of Arkansas. Arkansas Geological Commission Information Circular. 2004. 1998. 36. 30–31. 2018-01-12. https://web.archive.org/web/20161221195953/http://www.geology.ar.gov/pdf/IC-36_v.pdf. 2016-12-21. dead.